Finding the Third Proportional to 72,055 and 115,109

Step by Step Solution

1. Step 1: Write the proportion equation
   72,055 : 115,109 = 115,109 : x
2. Step 2: Convert to fraction form
   72,055/115,109 = 115,109/x
3. Step 3: Cross multiply
   72,055x = 115,109 × 115,109
4. Step 4: Simplify right side
   72,055x = 13,250,081,881
5. Step 5: Solve for x
   x = 13,250,081,881/72,055
6. Step 6: Final answer
   x = 183,888.44